Finding the Fourth Proportional to 528,563.62, 729,423.14 and 286,848.28
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Solution
The fourth proportional to 528,563.62, 729,423.14 and 286,848.28 is: 395,853.53
Step by Step Solution
- Step 1: Write the proportion equation
528,563.62 : 729,423.14 = 286,848.28 : x - Step 2: Convert to fraction form
528,563.62/729,423.14 = 286,848.28/x - Step 3: Cross multiply
528,563.62x = 729,423.14 × 286,848.28 - Step 4: Simplify right side
528,563.62x = 209,233,773,101.20 - Step 5: Solve for x
x = 209,233,773,101.20/528,563.62 - Step 6: Final answer
x = 395,853.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.